+; RUN: llc < %s -march=nvptx64 -mcpu=sm_35 -disable-cgp | FileCheck %s
+; Disable CGP which also folds branches, so that only BranchFolding is under
+; the spotlight.
+
+target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-nvidia-cuda"
+
+define void @foo(i32 %x, float* %output) {
+; CHECK-LABEL: .visible .func foo(
+; CHECK-NOT: bra.uni
+; CHECK-NOT: LBB0_
+ %1 = icmp eq i32 %x, 1
+ br i1 %1, label %then, label %else
+
+then:
+ br label %merge
+
+else:
+ br label %merge
+
+merge:
+ store float 2.0, float* %output
+ ret void
+}
+
+; PR24299. no crash
+define ptx_kernel void @hoge() #0 {
+; CHECK-LABEL: .visible .entry hoge(
+bb:
+ br i1 undef, label %bb1, label %bb4
+
+bb1: ; preds = %bb1, %bb
+ %tmp = phi i64 [ %tmp2, %bb1 ], [ undef, %bb ]
+ %tmp2 = add nsw i64 %tmp, 1
+ %tmp3 = icmp sle i64 %tmp, 0
+ br i1 %tmp3, label %bb1, label %bb4
+
+bb4: ; preds = %bb4, %bb1, %bb
+ br label %bb4
+}